Ticker · CUSIP 097235105
Holders (tracked)
1
Combined shares
30,551
Combined value
$258.2K
Last close
$8.55
Quarter
2025Q4
Price · 1Y$8.55+1.64 (+23.82%)H $9.49 · L $6.86 · Avg Vol 5K
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +1.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
2 events
- Renaissance Technologies added2026-02-12+1,700 shares · 2025Q4Position
- Renaissance Technologies trimmed2025-11-13−6,923 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BSBK…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Renaissance Technologies | 2021Q1 | $9.93 | -13.9% | $261K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 3 | $956K |
| 2022Q2 | 3 | $957K |
| 2022Q3 | 3 | $888K |
| 2022Q4 | 3 | $1.0M |
| 2023Q1 | 3 | $941K |
| 2023Q2 | 3 | $697K |
| 2023Q3 | 3 | $605K |
| 2023Q4 | 2 | $432K |
| 2024Q1 | 2 | $380K |
| 2024Q2 | 2 | $323K |
| 2024Q3 | 1 | $320K |
| 2024Q4 | 1 | $284K |
| 2025Q1 | 1 | $290K |
| 2025Q2 | 1 | $279K |
| 2025Q3 | 1 | $262K |
| 2025Q4 | 1 | $258K |
Who owns BSBK
1 super-investors · 2025Q4
Tracked stake
30.6K
shares
Combined value
$258K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 30.6K | $258K |
Recent moves
20 transactions
- +1,700 · 2025Q4
- −6,923 · 2025Q3
- −2,077 · 2025Q2
- −800 · 2024Q4
- +1,400 · 2024Q3
- TRIMBlackRock−780 · 2024Q2
- −5,049 · 2024Q2
- +400 · 2024Q1
- TRIMBlackRock−387 · 2024Q1
- −25,157 · 2023Q4
- −2,900 · 2023Q4
- TRIMBlackRock−130 · 2023Q4
- +5,200 · 2023Q3
- −8,210 · 2023Q3
- TRIMBlackRock−542 · 2023Q3
- −966 · 2023Q2
- −6,331 · 2023Q2
- TRIMBlackRock−881 · 2023Q2
- −3,352 · 2023Q1
- +4,731 · 2023Q1
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- BSBK insider tradingEvery Form 4 filing by BSBK officers, directors, and 10%+ holders.
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